the obama administration said it would not support the house bill. but one change can do it. when we know we need more young workers to support a rapidly ageing population, we could let more immigrant in. more immigrants total. it would be good for the economy. good not for nothing, for the immigrants. there is in reason it make immigration, not in america, particularly not when our birthrate is dropping. the fact that people want it come here, that is one of our greatest strengths. we should use it. joining me now, victoria difrancesco soto, thank four being here. >> thank you, ezra. >> you wrote, the removal of this class of visas puts on a dangerous slippery slope towards a restrictive and -- could you expand a bit on the history there? >> sure, regrettably we have a bit of a dark history in terms of immigration and excludeing people who we deem desirable and undesirable. starting with the chinese exclusion act, japan's agreement, excludeing japanese americans and getting into the 1920s, we have the national origin quotas where you start it see an outright exclusion of sou